Udenafil (trade names include: Zudena / Zydena) belongs to a group of medications called PDE5 inhibitors (similarly to avanafil, sildenafil, tadalafil and vardenafil).

Udenafil is used to treat erectile dysfunction. It was developed by a Korean pharmaceutical company in 2005.

Udenafil has unique properties: a relatively rapid onset of action and a long duration of action, which can be 24 hours or more.

Udenafil allows both on-demand and once-daily use.

In clinical trials Udenafil has showed high effectiveness with a low rate of side effects.

Udenafil is available under the trade name Zudena manufactured by Sunrise Remedies.

Recommendations

Take this medicine as directed by your doctor.

The usual recommended dosage is one tablet taken 30 minutes - 12 hours before sexual activity.

Precautions

Talk to your doctor before taking any PDE5 inhibitors which include Viagra, Cialis, Levitra or their generic equivalents, if:

you have any allergies (especially drug allergies);
you have any penis conditions such as fibrosis/scarring, history of priapism;
you have blood system cancers, retina diseases, kidney or liver disease, heart diseases, or stroke.

Ingredients

Active ingredient: udenafil.